When cruise was in YC, and the V1 of the car, Kyle and his tiny built, team built in three months. They retrofitted an Audi. To call it driverless would be an overstatement. The job of the CEO is to do the shittiest, worst, low status work you can think of. It's not a scalable strategy but that's how they got off the ground.
Dalton Caldwell and Michael Seibel talk about Paul Graham's essay "Do Things That Don't Scale" and what it really means for founders. Read the essay here: http://paulgraham.com/ds.html
Apply to Y Combinator: https://www.ycombinator.com/apply/